| Country | Action | Action Date | Effective Date |
|---|
| Antilles And Suriname | Extension | 12/07/1965 | |
| ARGENTINA | Signature | 22/04/1965 | |
| ARGENTINA | Acceptance | 30/11/1965 | |
| AUSTRALIA | Signature | 21/04/1965 | |
| AUSTRALIA | Acceptance | 22/06/1965 | |
| AUSTRIA | Signature | 23/04/1965 | |
| AUSTRIA | Acceptance | 08/07/1965 | |
| BELGIUM | Signature | 13/04/1965 | |
| BELGIUM | Undertaking | 16/06/1965 | |
| BELGIUM | Acceptance | 02/06/1966 | |
| BRAZIL | Signature | 19/04/1965 | |
| BRAZIL | Acceptance | 15/02/1966 | |
| CANADA | Signature | 22/04/1965 | |
| CANADA | Acceptance | 18/06/1965 | |
| COSTA RICA | Signature | 23/04/1965 | |
| COSTA RICA | Acceptance | 27/10/1965 | |
| CUBA | Signature | 14/04/1965 | |
| CUBA | Undertaking | 14/06/1965 | |
| DOMINICAN REPUBLIC | Signature | 22/04/1965 | |
| DOMINICAN REPUBLIC | Acceptance | 20/01/1966 | |
| ECUADOR | Signature | 22/04/1965 | |
| ECUADOR | Undertaking | 09/07/1965 | |
| ECUADOR | Acceptance | 04/08/1965 | |
| EL SALVADOR | Signature | 22/04/1965 | |
| EL SALVADOR | Acceptance | 23/07/1965 | |
| FINLAND | Signature | 16/04/1965 | |
| FINLAND | Undertaking | 02/07/1965 | |
| FINLAND | Acceptance | 24/01/1966 | |
| FRANCE | Signature | 21/04/1965 | |
| FRANCE | Approval | 25/05/1965 | |
| GERMANY FEDERAL REPUBLIC | Notification | 01/01/1905 | |
| GERMANY FEDERAL REPUBLIC | Signature | 15/04/1965 | |
| GERMANY FEDERAL REPUBLIC | Undertaking | 01/06/1965 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 26/07/1966 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 26/07/1966 | |
| GREECE | Signature | 23/04/1965 | |
| GREECE | Undertaking | 21/06/1965 | |
| GUATEMALA | Signature | 22/04/1965 | |
| GUATEMALA | Acceptance | 17/09/1965 | |
| ICELAND | Signature | 31/03/1965 | |
| ICELAND | Acceptance | 12/07/1965 | |
| INDIA | Signature | 19/04/1965 | |
| INDIA | Acceptance | 10/06/1965 | |
| IRELAND, REPUBLIC OF | Signature | 09/04/1965 | |
| IRELAND, REPUBLIC OF | Acceptance | 02/06/1965 | |
| ISRAEL | Signature | 12/04/1965 | |
| ISRAEL | Acceptance | 13/07/1965 | |
| ITALY | Signature | 07/04/1965 | |
| ITALY | Undertaking | 15/07/1965 | |
| JAPAN | Signature | 21/04/1965 | |
| JAPAN | Undertaking | 21/04/1965 | |
| JAPAN | Acceptance | 25/04/1966 | |
| KOREA REPUBLIC OF | Signature | 19/04/1965 | |
| KOREA REPUBLIC OF | Acceptance | 08/07/1965 | |
| Land Berlin | Extension | 26/07/1966 | |
| LIBERIA | Signature | 21/04/1965 | |
| LIBYA | Signature | 23/04/1965 | |
| LIBYA | Accession | 30/12/1965 | |
| LUXEMBOURG | Signature | 13/04/1965 | |
| LUXEMBOURG | Undertaking | 16/06/1965 | |
| LUXEMBOURG | Acceptance | 02/06/1966 | |
| MEXICO | Signature | 21/04/1965 | |
| MEXICO | Acceptance | 29/12/1965 | |
| NETHERLANDS THE | Signature | 23/04/1965 | |
| NETHERLANDS THE | Acceptance | 12/07/1965 | |
| NETHERLANDS THE | Declaration | 12/07/1965 | |
| NEW ZEALAND | Signature | 23/04/1965 | |
| NEW ZEALAND | Acceptance | 30/06/1965 | |
| NIGERIA | Signature | 22/04/1965 | |
| NIGERIA | Approval | 08/10/1965 | |
| NORWAY | Signature | 19/04/1965 | |
| NORWAY | Acceptance | 09/07/1965 | |
| PERU | Accession | 12/07/1965 | |
| PHILIPPINES | Signature | 23/04/1965 | |
| PHILIPPINES | Undertaking | 14/07/1965 | |
| PHILIPPINES | Approval | 12/08/1965 | |
| PORTUGAL | Signature | 21/04/1965 | |
| PORTUGAL | Undertaking | 01/07/1965 | |
| PORTUGAL | Acceptance | 31/12/1965 | |
| SAUDI ARABIA | Signature | 22/04/1965 | |
| SAUDI ARABIA | Acceptance | 08/06/1965 | |
| SIERRA LEONE | Accession | 26/08/1965 | |
| SOUTH AFRICA | Signature | 14/04/1965 | |
| SOUTH AFRICA | Acceptance | 01/07/1965 | |
| Southern Rhodesia | Signature | 23/03/1965 | |
| Southern Rhodesia | Acceptance | 12/07/1965 | |
| SOVIET UNION | Notification | 01/01/1905 | |
| SOVIET UNION | Signature | 22/04/1965 | |
| SOVIET UNION | Declaration | 22/04/1965 | |
| SOVIET UNION | Undertaking | 14/07/1965 | |
| SOVIET UNION | Acceptance | 20/09/1965 | |
| SPAIN | Signature | 23/04/1965 | |
| SPAIN | Undertaking | 03/07/1965 | |
| SPAIN | Acceptance | 18/02/1966 | |
| SWITZERLAND | Signature | 02/04/1965 | |
| SWITZERLAND | Acceptance | 14/07/1965 | |
| TUNISIA | Signature | 23/04/1965 | |
| TUNISIA | Acceptance | 15/07/1965 | |
| UNITED KINGDOM | Notification | 01/01/1905 | |
| UNITED KINGDOM | Signature | 23/04/1965 | |
| UNITED KINGDOM | Acceptance | 13/07/1965 | |
| UNITED STATES OF AMERICA | Signature | 24/03/1965 | |
| UNITED STATES OF AMERICA | Acceptance | 21/06/1965 | |
| VATICAN CITY | Signature | 20/04/1965 | |
| VATICAN CITY | Acceptance | 30/08/1965 | |
| VENEZUELA | Accession | 03/12/1965 | |
| WESTERN SAMOA | Signature | 23/04/1965 | |
| WESTERN SAMOA | Acceptance | 07/07/1965 | |